Patent · US Active

Efficient method to index scheduled backup of same target and the corresponding files

US11614999B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

EMC IP Holding Company LLC · US

Inventors

Ming Zhang · Beijing, CN
Lihui Su · Shanghai, CN
James Morton · Adamstown, US
Min Liu · Shanghai, CN
Weiyang Liu · Shanghai, CN

Key dates

Filing date	Apr 26, 2019
Grant date	Mar 28, 2023
Priority date	—
Expiry date	Oct 15, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG06F2201/805
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An apparatus, method, and system for indexing backed up files is disclosed. The operations comprise: maintaining a File index and a Backup index, the File index comprising entries each associated with an individual file backed up, the Backup index comprising entries each associated with a particular backup; receiving a request to determine whether or not a first file is included in a first backup; determining whether or not the first file is included in the first backup based on the File index entry corresponding to the first file and the Backup index entry corresponding to the first backup; and returning a result of the determination of whether or not the first file is included in the first backup.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.